/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.flowable.engine.impl.cfg;

import javax.transaction.TransactionManager;

import org.flowable.common.engine.api.FlowableException;
import org.flowable.common.engine.impl.cfg.jta.JtaTransactionContextFactory;
import org.flowable.common.engine.impl.interceptor.CommandInterceptor;
import org.flowable.common.engine.impl.interceptor.JtaTransactionInterceptor;

/**
 * @author Tom Baeyens
 */
public class JtaProcessEngineConfiguration extends ProcessEngineConfigurationImpl {

    protected TransactionManager transactionManager;

    public JtaProcessEngineConfiguration() {
        this.transactionsExternallyManaged = true;
    }

    @Override
    public CommandInterceptor createTransactionInterceptor() {
        if (transactionManager == null) {
            throw new FlowableException("transactionManager is required property for JtaProcessEngineConfiguration, use " + StandaloneProcessEngineConfiguration.class.getName() + " otherwise");
        }

        return new JtaTransactionInterceptor(transactionManager);
    }

    @Override
    public void initTransactionContextFactory() {
        if (transactionContextFactory == null) {
            transactionContextFactory = new JtaTransactionContextFactory(transactionManager);
        }
    }

    public TransactionManager getTransactionManager() {
        return transactionManager;
    }

    public void setTransactionManager(TransactionManager transactionManager) {
        this.transactionManager = transactionManager;
    }
}
